# ClientBrowser
Namespace: **Wisej.Core**
Assembly: **Wisej.Framework** (2.2.0.0)
Properties of the client browser currently interacting with the application.
{% tabs %}
{% tab title="C#" %}
```csharp
public class ClientBrowser
```
{% endtab %}
{% tab title="VB.NET" %}
```visual-basic
Public Class ClientBrowser
```
{% endtab %}
{% endtabs %}
## Fields
| Name | Type | Description |
| ------------------ | --------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------- |
| **CookieStorage** | [CookieStorage](/api/v2.2/wisej.core/general/wisej.core.cookiestorage.md) | Returns an instance of the [CookieStorage](#fields) class that represents the "cookies" storage in the browser. |
| **LocalStorage** | [LocalStorage](/api/v2.2/wisej.core/general/wisej.core.localstorage.md) | Returns an instance of the [LocalStorage](#fields) class that represents the "localStorage" object in the browser. |
| **SessionStorage** | [SessionStorage](/api/v2.2/wisej.core/general/wisej.core.sessionstorage.md) | Returns an instance of the [SessionStorage](#fields) class that represents the "sessionStorage" object in the browser. |
## Properties
### CultureInfo
[CultureInfo](https://docs.microsoft.com/en-us/dotnet/api/system.globalization.cultureinfo): Returns the locale declared in the application configuration file or detected from the client browser.
### Device
[String](https://docs.microsoft.com/en-us/dotnet/api/system.string): Device type. Can be one of "Mobile", "Tablet" or "Desktop".
### Features
[Object](https://docs.microsoft.com/en-us/dotnet/api/system.object): Returns the set of features supported/not-supported by the browser. Currently we detect: geolocation, webSocket, fullScreen, speechSynthesis, speechRecognition, notification, fullScreen, browserStorage.
### IsFullScreen
[Boolean](https://docs.microsoft.com/en-us/dotnet/api/system.boolean): Returns true if the browser is in full screen mode.
### IsSecure
[Boolean](https://docs.microsoft.com/en-us/dotnet/api/system.boolean): Returns true if the connection is secure.
### Language
[String](https://docs.microsoft.com/en-us/dotnet/api/system.string): Client language.
### OS
[String](https://docs.microsoft.com/en-us/dotnet/api/system.string): Client OS. Can be one of "iOS", "Android", "WebOS", "BlackBerry", "MacOS", "Linux", "Windows", "Unix", "Other".
### PixelRatio
[Double](https://docs.microsoft.com/en-us/dotnet/api/system.double): Returns the ratio of the resolution in physical pixels to the resolution in CSS pixels for the current display device.
### Profiles
[ClientProfile\[\]](/api/v2.2/wisej.core/general/wisej.core.clientprofile.md):
### ScreenSize
[Size](https://docs.microsoft.com/en-us/dotnet/api/system.drawing.size): Screen size.
### Size
[Size](https://docs.microsoft.com/en-us/dotnet/api/system.drawing.size): Browser size. This is the window size, which can be different from the device (or screen) size.
### TimezoneOffset
[Int32](https://docs.microsoft.com/en-us/dotnet/api/system.int32): Returns the time difference between UTC time and local time, in minutes.
### Type
[String](https://docs.microsoft.com/en-us/dotnet/api/system.string): Browser type. Can be one of "IE", "Edge", "Chrome", "Opera", "Firefox", "Safari", "Other".
### UserData
[Object](https://docs.microsoft.com/en-us/dotnet/api/system.object): Returns a value or map set by the client when loading the application's first HTML page.
An application can use this property to retrieve a custom value on startup. For example, in Default.html add:
```csharp
```
On the server side, you can retrieve the user data use at any time like this:
```csharp
int value1 = Application.Browser.UserData.value1;
string value2 = Application.Browser.UserData.someName;
```
When used in conjunction with an aspx startup page (Default.aspx) it allows the application to retrieve data passed as a POST request and pass it to the Wisej application.
### Version
[Int32](https://docs.microsoft.com/en-us/dotnet/api/system.int32): Browser version.
---
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Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://docs.wisej.com/api/v2.2/wisej.core/general/wisej.core.clientbrowser.md?ask=
```
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